ZA877913B - Radiantly heated furnace - Google Patents
Radiantly heated furnaceInfo
- Publication number
- ZA877913B ZA877913B ZA877913A ZA877913A ZA877913B ZA 877913 B ZA877913 B ZA 877913B ZA 877913 A ZA877913 A ZA 877913A ZA 877913 A ZA877913 A ZA 877913A ZA 877913 B ZA877913 B ZA 877913B
- Authority
- ZA
- South Africa
- Prior art keywords
- heated furnace
- radiantly heated
- radiantly
- furnace
- heated
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
- C21B13/105—Rotary hearth-type furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/16—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a circular or arcuate path
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/38—Arrangements of devices for charging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
- F27B2009/3607—Heaters located above the track of the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
- F27D2099/004—Heating elements or systems using burners directed upon the charge, e.g. vertically
- F27D2099/0041—Heating elements or systems using burners directed upon the charge, e.g. vertically with a small angle, e.g. almost tangentially
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0003—Heating elements or systems with particulate fuel, e.g. aspects relating to the feeding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/18—Composition, conformation or state of the charge in the form of pellets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/921,452 US4676741A (en) | 1986-10-22 | 1986-10-22 | Radiantly heated furnace |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA877913B true ZA877913B (en) | 1988-06-29 |
Family
ID=25445461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA877913A ZA877913B (en) | 1986-10-22 | 1987-10-21 | Radiantly heated furnace |
Country Status (6)
Country | Link |
---|---|
US (1) | US4676741A (en) |
JP (1) | JPS63108188A (en) |
BR (1) | BR8705613A (en) |
DE (1) | DE3735569A1 (en) |
MX (1) | MX164794B (en) |
ZA (1) | ZA877913B (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5235921A (en) * | 1991-11-08 | 1993-08-17 | Dunham Environmental Services, Inc. | Combustion system having a movable hearth |
US5516358A (en) * | 1994-11-17 | 1996-05-14 | Pro-Tech Reclamation, Inc. | Method for the production of iron carbide |
US5730775A (en) * | 1994-12-16 | 1998-03-24 | Midrex International B.V. Rotterdam, Zurich Branch | Method for rapid reduction of iron oxide in a rotary hearth furnace |
US5885521A (en) * | 1994-12-16 | 1999-03-23 | Midrex International B.V. Rotterdam, Zurich Branch | Apparatus for rapid reduction of iron oxide in a rotary hearth furnace |
US5972066A (en) * | 1997-04-22 | 1999-10-26 | Iron Dynamics, Inc. | Mixed bed iron reduction process |
JP3480266B2 (en) * | 1997-09-30 | 2003-12-15 | Jfeスチール株式会社 | Operating method of mobile hearth furnace |
JP3482838B2 (en) * | 1997-09-30 | 2004-01-06 | Jfeスチール株式会社 | Operating method of mobile hearth furnace |
ID22491A (en) * | 1997-09-30 | 1999-10-21 | Kawasaki Steel Co | ROTATING SEA FUNCTION FOR SEED OXIDE AND OPERATION METHOD OF ITS |
JP3845978B2 (en) * | 1997-09-30 | 2006-11-15 | Jfeスチール株式会社 | Operation method of rotary hearth furnace and rotary hearth furnace |
JP3081581B2 (en) | 1998-03-23 | 2000-08-28 | 株式会社神戸製鋼所 | Method of producing reduced iron agglomerates with high metallization rate |
EP0952230A1 (en) * | 1998-03-24 | 1999-10-27 | KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. | Method of producing reduced iron agglomerates |
US6120577A (en) * | 1998-03-25 | 2000-09-19 | Ltv Steel Company, Inc. | Treatment of steel mill waste metal oxides |
JP2997459B1 (en) | 1998-11-04 | 2000-01-11 | 株式会社神戸製鋼所 | Method for producing reduced iron agglomerates |
JP2002517607A (en) * | 1998-05-29 | 2002-06-18 | ビーエイチピー イノベーション プロプライエタリー リミテッド | Sustained iron production and solid waste minimization by enhanced direct reduction of iron oxide |
TW502066B (en) | 1998-08-27 | 2002-09-11 | Kobe Steel Ltd | Method for operating moving hearth reducing furnace |
US6413295B2 (en) | 1998-11-12 | 2002-07-02 | Midrex International B.V. Rotterdam, Zurich Branch | Iron production method of operation in a rotary hearth furnace and improved furnace apparatus |
MX2007006786A (en) * | 2004-12-07 | 2008-02-11 | Nu Iron Technology Llc | Method and system for producing metallic iron nuggets. |
US8470068B2 (en) * | 2004-12-07 | 2013-06-25 | Nu-Iron Technology, Llc | Method and system for producing metallic iron nuggets |
US8021460B2 (en) * | 2006-07-26 | 2011-09-20 | Nu-Iron Technology, Llc | System and method for producing metallic iron nodules |
US8287621B2 (en) | 2010-12-22 | 2012-10-16 | Nu-Iron Technology, Llc | Use of bimodal carbon distribution in compacts for producing metallic iron nodules |
ITMI20121257A1 (en) * | 2012-07-19 | 2014-01-20 | Tenova Spa | INSTALLATION AND ITS PROCEDURE FOR FOOD IN A CONTINUOUS WAY OF METAL MATERIAL HEATED WITH A FUSION OVEN FOR STEEL PRODUCTION |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1157087A (en) * | 1915-03-25 | 1915-10-19 | Raymond W Fenn | Apparatus for drying granular materials. |
US2089782A (en) * | 1934-12-14 | 1937-08-10 | Industrimetoder Ab | Process of producing sponge iron |
US3443931A (en) * | 1965-09-10 | 1969-05-13 | Midland Ross Corp | Process for making metallized pellets from iron oxide containing material |
US4452153A (en) * | 1982-01-19 | 1984-06-05 | Midland-Ross Corporation | Rotary hearth pyrolyzer with tapered spreader roll |
US4622905A (en) * | 1985-03-04 | 1986-11-18 | International Metals Reclamation Co., Inc. | Furnacing |
-
1986
- 1986-10-22 US US06/921,452 patent/US4676741A/en not_active Expired - Lifetime
-
1987
- 1987-10-20 BR BR8705613A patent/BR8705613A/en not_active IP Right Cessation
- 1987-10-21 ZA ZA877913A patent/ZA877913B/en unknown
- 1987-10-21 MX MX8937A patent/MX164794B/en unknown
- 1987-10-21 DE DE19873735569 patent/DE3735569A1/en active Granted
- 1987-10-22 JP JP62265546A patent/JPS63108188A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
BR8705613A (en) | 1988-05-24 |
DE3735569A1 (en) | 1988-05-05 |
MX164794B (en) | 1992-09-24 |
US4676741A (en) | 1987-06-30 |
JPS63108188A (en) | 1988-05-13 |
JPS645233B2 (en) | 1989-01-30 |
DE3735569C2 (en) | 1989-06-01 |
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